>d1f6ab2 b.1.1.2 (B:439-544) Immunoglobulin (constant domains of L and H chains) {Fc (human) IgE} praapevyafatpewpgsrdkrtlacliqnfmpedisvqwlhnevqlpdarhsttqprkt kgsgffvfsrlevtraeweqkdeficravheaaspsqtvqravsvn